Finding the Fourth Proportional to 371,778,794,285.97, 557,922,926,421.27 and 129,755,904,386.42
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Solution
The fourth proportional to 371,778,794,285.97, 557,922,926,421.27 and 129,755,904,386.42 is: 194,722,762,589.91
Step by Step Solution
- Step 1: Write the proportion equation
371,778,794,285.97 : 557,922,926,421.27 = 129,755,904,386.42 : x - Step 2: Convert to fraction form
371,778,794,285.97/557,922,926,421.27 = 129,755,904,386.42/x - Step 3: Cross multiply
371,778,794,285.97x = 557,922,926,421.27 × 129,755,904,386.42 - Step 4: Simplify right side
371,778,794,285.97x = 72,393,793,895,709,953,490,944 - Step 5: Solve for x
x = 72,393,793,895,709,953,490,944/371,778,794,285.97 - Step 6: Final answer
x = 194,722,762,589.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.